Beast is a powerful music composition and modular synthesis application. It offers multiple input methods like multitrack, piano roll, and pattern editing and supports skins. On the technical side, it has a wide range of abilities like sequencing, unlimited undo/redo history, real-time synthesis with multiprocessor support, full duplex 32-bit audio rendering, precise timing down to sample granularity, on demand loading of partial wave files, on the fly decoding of various sample formats, aliasing free oscillators, and full Scheme scripting support.
ELE is a realtime audio effect program. Effects have low latency, and are suitable for live guitar or vocals. Chaining of effects is possible, and feedbacking effect chains are allowed. ELE supports looping and synchronization of PCM WAV files, and you can even record sample loops on-the-fly.